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Finding the Fourth Proportional to 265,413.76, 366,196.80 and 152,195.20

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Solution

The fourth proportional to 265,413.76, 366,196.80 and 152,195.20 is: 209,986.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,413.76 : 366,196.80 = 152,195.20 : x
  2. Step 2: Convert to fraction form
    265,413.76/366,196.80 = 152,195.20/x
  3. Step 3: Cross multiply
    265,413.76x = 366,196.80 × 152,195.20
  4. Step 4: Simplify right side
    265,413.76x = 55,733,395,215.36
  5. Step 5: Solve for x
    x = 55,733,395,215.36/265,413.76
  6. Step 6: Final answer
    x = 209,986.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.